io.pravega.segmentstore.storage.impl.hdfs.HDFSClusterHelpers.java Source code

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Here is the source code for io.pravega.segmentstore.storage.impl.hdfs.HDFSClusterHelpers.java

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/**
 * Copyright (c) 2017 Dell Inc., or its subsidiaries. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 */
package io.pravega.segmentstore.storage.impl.hdfs;

import java.io.IOException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hdfs.MiniDFSCluster;

/**
 * Utilities for managing a mini HDFS Cluster.
 */
public final class HDFSClusterHelpers {
    /**
     * Creates a MiniDFSCluster at the given Path.
     *
     * @param path The path to create at.
     * @return A MiniDFSCluster.
     * @throws IOException If an Exception occurred.
     */
    public static MiniDFSCluster createMiniDFSCluster(String path) throws IOException {
        Configuration conf = new Configuration();
        conf.set(MiniDFSCluster.HDFS_MINIDFS_BASEDIR, path);
        conf.setBoolean("dfs.permissions.enabled", true);
        MiniDFSCluster.Builder builder = new MiniDFSCluster.Builder(conf);
        return builder.build();
    }
}